[GitHub] [incubator-hugegraph] javeme commented on a diff in pull request #2063: Fix TinkerPop unit test: label null throw exception should be labelCanNotBeNull() #2058

[GitBox]

javeme commented on code in PR #2063:
URL: 
https://github.com/apache/incubator-hugegraph/pull/2063#discussion_r1058992929


##########
hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeElement.java:
##########
@@ -430,15 +433,19 @@ public static final ElementKeys classifyKeys(Object... 
keyValues) {
                 throw Element.Exceptions
                       .providedKeyValuesMustHaveALegalKeyOnEvenIndices();
             }
-            if (val == null) {
-                if (key.equals(T.label)) {
+
+            if(ObjectUtils.isEmpty(val)) {
+                if (val == null && key.equals(T.label)) {
                     throw Element.Exceptions.labelCanNotBeNull();
+                } else if (key.equals(T.label)) {
+                    throw Element.Exceptions.labelCanNotBeEmpty();
                 }
                 throw Property.Exceptions.propertyDoesNotExist();
             }
 
             if (key.equals(T.id)) {
                 elemKeys.id = val;
+

Review Comment:
   can remove the blank line



##########
hugegraph-core/src/main/java/org/apache/hugegraph/structure/HugeElement.java:
##########
@@ -55,6 +56,8 @@
 import org.apache.hugegraph.util.E;
 import org.apache.hugegraph.util.InsertionOrderUtil;
 
+import com.alipay.remoting.util.StringUtils;

Review Comment:
   useless import?



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